python数字转对应中文的方法总结

 1  -->  一
 12-->  一二
def num_to_char(num):
 """数字转中文"""
 num=str(num)
 new_str=""
 num_dict={"0":u"零","1":u"一","2":u"二","3":u"三","4":u"四","5":u"五","6":u"六","7":u"七","8":u"八","9":u"九"}
 listnum=list(num)
 # print(listnum)
 shu=[]
 for i in listnum:
  # print(num_dict[i])
  shu.append(num_dict[i])
 new_str="".join(shu)
 # print(new_str)
 return new_str

  1-->一
 12  -->十二
 23  -->  二十三
_MAPPING = (u'零', u'一', u'二', u'三', u'四', u'五', u'六', u'七', u'八', u'九', u'十', u'十一', u'十二', u'十三', u'十四', u'十五', u'十六', u'十七',u'十八', u'十九')
_P0 = (u'', u'十', u'百', u'千',)
_S4 = 10 ** 4
def _to_chinese4(num):
 assert (0 <= num and num < _S4)
 if num < 20:
  return _MAPPING[num]
 else:
  lst = []
  while num >= 10:
lst.append(num % 10)
num = num / 10
  lst.append(num)
  c = len(lst)  # 位数
  result = u''
  for idx, val in enumerate(lst):
val = int(val)
if val != 0:
 result += _P0[idx] + _MAPPING[val]
 if idx < c - 1 and lst[idx + 1] == 0:
  result += u'零'
  return result[::-1]

#!/usr/bin/python
#-*- encoding: utf-8 -*-
import types
class NotIntegerError(Exception):
  pass
class OutOfRangeError(Exception):
  pass
_MAPPING = (u'零', u'一', u'二', u'三', u'四', u'五', u'六', u'七', u'八', u'九', )
_P0 = (u'', u'十', u'百', u'千', )
_S4, _S8, _S16 = 10 ** 4 , 10 ** 8, 10 ** 16
_MIN, _MAX = 0, 9999999999999999
def _to_chinese4(num):
  '''转换[0, 10000)之间的阿拉伯数字
  '''
  assert(0 <= num and num < _S4)
  if num < 10:
 return _MAPPING[num]
  else:
 lst = [ ]
 while num >= 10:
lst.append(num % 10)
num = num / 10
 lst.append(num)
 c = len(lst)  # 位数
 result = u''
 
 for idx, val in enumerate(lst):
if val != 0:
  result += _P0[idx] + _MAPPING[val]
  if idx < c - 1 and lst[idx + 1] == 0:
 result += u'零'
 
 return result[::-1].replace(u'一十', u'十')
 
def _to_chinese8(num):
  assert(num < _S8)
  to4 = _to_chinese4
  if num < _S4:
 return to4(num)
  else:
 mod = _S4
 high, low = num / mod, num % mod
 if low == 0:
return to4(high) + u'万'
 else:
if low < _S4 / 10:
  return to4(high) + u'万零' + to4(low)
else:
  return to4(high) + u'万' + to4(low)

def _to_chinese16(num):
  assert(num < _S16)
  to8 = _to_chinese8
  mod = _S8
  high, low = num / mod, num % mod
  if low == 0:
 return to8(high) + u'亿'
  else:
 if low < _S8 / 10:
return to8(high) + u'亿零' + to8(low)
 else:
return to8(high) + u'亿' + to8(low)
 
def to_chinese(num):
  if type(num) != types.IntType and type(num) != types.LongType:
 raise NotIntegerError(u'%s is not a integer.' % num)
  if num < _MIN or num > _MAX:
 raise OutOfRangeError(u'%d out of range[%d, %d)' % (num, _MIN, _MAX))
  
  if num < _S4:
 return _to_chinese4(num)
  elif num < _S8:
 return _to_chinese8(num)
  else:
 return _to_chinese16(num)
  
if __name__ == '__main__':
  print to_chinese(9000)